Research Article

Effect of Damping and Yielding on the Seismic Response of 3D Steel Buildings with PMRF

Table 9

Statistics of local damping reduction factors ( ) for the 2–5 range.

ParameterSC1 SC2 EQ1EQ22D1 2D2SD1SD2
N-S E-W N-S E-W N-S E-W N-S E-W N-S E-WN-S E-WN-S E-W N-S E-W

AxialExt.Mean0.840.870.790.730.750.770.790.810.840.850.880.860.720.770.810.82
COV 0.130.140.150.130.150.130.200.180.110.110.090.100.090.130.130.13
Int.Mean 0.770.750.810.810.750.770.790.790.770.760.740.740.730.750.750.76
COV 0.180.190.150.160.150.130.190.190.130.120.150.160.190.110.150.16

MomentExt.Mean 0.870.860.890.890.870.870.890.890.870.870.910.890.880.880.910.92
COV 0.090.100.090.090.080.080.100.090.080.090.080.080.100.110.080.08
Int.Mean 0.870.860.890.890.870.870.890.890.870.870.900.890.880.880.920.92
COV 0.100.090.090.090.080.080.090.090.080.090.080.080.110.110.080.08